On the Import Certificate page, enter or browse for the location of the certificate file.

If you used the Lync interface to create the CSR, the certificate file is a .cer file (i.e. yourdomain_com.cer).If you used the Certificate Utility to create the CSR, the certificate file is a .pfx file (i.e. yourdomain_com.pfx).

If you are using a .pfx file, check Certificate file contains certificate's private key.

If you are using a .cer file, do not check this box.

Click Next.

On the Import Certificate Summary page, verify that the information is correct, and then click Next.

On the Executing Commands page, verify that the Task status is Completed, and then click Finish.